Home / 263,807.28-395,707.38-64,127.09

Finding the Fourth Proportional to 263,807.28, 395,707.38 and 64,127.09

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Solution

The fourth proportional to 263,807.28, 395,707.38 and 64,127.09 is: 96,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,807.28 : 395,707.38 = 64,127.09 : x
  2. Step 2: Convert to fraction form
    263,807.28/395,707.38 = 64,127.09/x
  3. Step 3: Cross multiply
    263,807.28x = 395,707.38 × 64,127.09
  4. Step 4: Simplify right side
    263,807.28x = 25,375,563,519.72
  5. Step 5: Solve for x
    x = 25,375,563,519.72/263,807.28
  6. Step 6: Final answer
    x = 96,189.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.